The application of digital elevation maps is extended to the field of computer vision. A terrain matching algorithm that makes possible a passive aircraft navigation system is presented. A sequence of aerial images is matched to a reference to a digital map of the 3-D terrain. Stereo analysis of successive images results in a recovered elevation map. A cliff map is then used as a novel, compact representation of the 3-D surfaces. The position and heading of the aircraft are determined via a terrain matching algorithm that locates the unknown cliff map within the reference cliff map. The robustness of the matching algorithm is demonstrated by experimental results using real terrain data.<>


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    Title :

    Navigation using image sequence analysis and 3-D terrain matching


    Contributors:


    Publication date :

    1989-01-01


    Size :

    767282 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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